| Code | Title | 
					
				| – | Top Categories | 
		
					
				| 0 | Medical and Surgical | 
					
				| 0N | Head and Facial Bones | 
					
				| 0NB | Excision
					Head and Facial Bones, Excision | 
					
				| 0NBC | Sphenoid Bone | 
					
				| 0NBC0 | Open | 
					
				| 0NBC0Z | No Device | 
					
				| 0NBC0ZX | Diagnostic
					Excision of Sphenoid Bone, Open Approach, Diagnostic | 
					
				| 0NBC0ZZ | No Qualifier
					Excision of Sphenoid Bone, Open Approach | 
					
				| 0NBC3 | Percutaneous | 
					
				| 0NBC3Z | No Device | 
					
				| 0NBC3ZX | Diagnostic
					Excision of Sphenoid Bone, Percutaneous Approach, Diagnostic | 
					
				| 0NBC3ZZ | No Qualifier
					Excision of Sphenoid Bone, Percutaneous Approach | 
					
				| 0NBC4 | Percutaneous Endoscopic | 
					
				| 0NBC4Z | No Device | 
					
				| 0NBC4ZX | Diagnostic
					Excision of Sphenoid Bone, Percutaneous Endoscopic Approach, Diagnostic | 
					
				| 0NBC4ZZ | No Qualifier
					Excision of Sphenoid Bone, Percutaneous Endoscopic Approach |